<template>
    <div class="icons">
        <swiper :options="swiperOptions">
            <swiper-slide v-for="(page, index) of pages" :key="index">
                <div class="icon" v-for="item of page" :key="item.id">
                    <div  class="icon-img">
                        <img class="icon-img-content" :src="item.imgUrl">
                    </div>
                    <p class="icon-desc">{{item.desc}}</p>
                </div>
            </swiper-slide>
        </swiper>
    </div>
</template>
<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOptions: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
@import '~styles/variable.styl'
@import '~styles/mixins.styl'
    .icons>>>.swiper-container
      height 0
      padding-bottom 50%
    .icons
      margin-top .1rem
      .icon
        position relative
        width 25%
        height 0
        float left
        padding-bottom 25%
        overflow hidden
        .icon-img
          position absolute
          top 0
          left 0
          right 0
          bottom .44rem
          box-sizing border-box
          padding .1rem
          .icon-img-content
            display block
            margin 0 auto
            height 100%
        .icon-desc
          position absolute
          left 0
          right 0
          bottom 0
          height .44rem
          line-height .44rem
          color $darkTextColor
          text-align center
          ellipsis()
</style>
